Boston: Kluwer Academic Publishers.
| Archivage | Début | Fin |
|---|---|---|
| CLOCKSS Archive | 1986 | 2025 |
| Library of Congress | 2018 | 2024 |
| LOCKSS Archive | 2012 | 2012 |
| LOCKSS Archive | 2013 | 2017 |
| National Digital Preservation Program, China | 1997 | 2023 |
| National Digital Preservation Program, China | 2014 | 2014 |
| National Library of the Netherlands | 1986 | 2019 |
| Portico | 1986 | 2024 |
| Scholars Portal | 1986 | 2024 |